Characterization of Nanostructure Tin Alloys as Anodes in Lithium-Ion Batteries

Peled, E.; Ulus, A.

doi:10.1007/978-94-011-4333-2_45

Cited by 39 publications

(63 citation statements)

References 3 publications

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“…The grain growth of the deposit can be quantitatively determined from the decrease in the electrode potential with time [50]. NC FeTi, LaNi 5 , Mg 2 Ni and other materials based on Mg were reported to easily absorb hydrogen at low temperatures with very good kinetics and are not sensitive to exposure to air [51].…”

Section: Specific Advantages Of Electrochemical Depositionmentioning

confidence: 99%

Electrodeposition of nanostructured coatings and their characterization—A review

Gurrappa

Binder

2008

Science and Technology of Advanced Materials

285

140

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Nanostructured materials have gained importance in recent years due to their significantly enhanced properties. In particular, electrochemistry has a special role in producing a variety of nanostructured materials. In the current review, we discuss the superiority of electrochemical deposition techniques in synthesizing various nanomaterials that exhibit improved characteristics compared with materials produced by conventional techniques, as well as their classification, synthesis routes, properties and applications. The superior properties of a nanostructured nickel coating produced by electrochemical deposition are outlined. The properties of various nanostructured coating materials produced by electrochemical techniques are also described. Finally, the importance of nanostructured coatings in industrial applications as well as their potential in future technologies is emphasized.

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Section: Specific Advantages Of Electrochemical Depositionmentioning

confidence: 99%

Electrodeposition of nanostructured coatings and their characterization—A review

Gurrappa

Binder

2008

Science and Technology of Advanced Materials

285

140

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“…2,3 The electron insulation caused by the SEI layer prevents further reduction of the active material interfaces, leading to an operative anode while its ionic conductivity allows the Li + for battery operation. 1,4,5 Decomposition of the electrolyte salt initiates almost instantly and the SEI layer is believed to be formed within the first half cycle (charge) of the battery operation. 4 However, after SEI formation, the capacity loss and the selfdischarge continue, though they occur with a much lower rate compared with the first cycle.…”

Section: ■ Introductionmentioning

confidence: 99%

“…1,4,5 Decomposition of the electrolyte salt initiates almost instantly and the SEI layer is believed to be formed within the first half cycle (charge) of the battery operation. 4 However, after SEI formation, the capacity loss and the selfdischarge continue, though they occur with a much lower rate compared with the first cycle. The slow growth of the SEI is believed to be the cause of increasing electrode impedance observed in electrochemical measurements.…”

Section: ■ Introductionmentioning

confidence: 99%

“…It is well-known that battery anodes often operate outside the voltage window of stability of the electrolyte . In the best case, the electrolyte decomposition leads to the formation of a protective and insulating layer called the solid electrolyte interphase (SEI). , The electron insulation caused by the SEI layer prevents further reduction of the active material interfaces, leading to an operative anode while its ionic conductivity allows the Li + for battery operation. ,, Decomposition of the electrolyte salt initiates almost instantly and the SEI layer is believed to be formed within the first half cycle (charge) of the battery operation …”

Section: Introductionmentioning

confidence: 99%

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SEI Dynamics in Metal Oxide Conversion Electrodes of Li-Ion Batteries

et al. 2017

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We examine the formation of the solid electrolyte interface (SEI) on anodes made of carbon encapsulated zinc ferrite (ZnFe 2 O 4 ) nanoparticles (50 nm ZFO-C) as a standard metal oxide electrode prototype. The SEI formation and phase evolution are studied by two soft X-ray absorption techniques with different probing depths in the 10−100 nm range and by surface-sensitive X-ray photoemission spectroscopy at several specific capacities of the ZFO-C anodes. These techniques are shown to be able to provide information about the nature and extension of the individual chemical species within the SEI with a typical spatial resolution of 1−5 nm. A peculiar footprint of the interphase formations is obtained by comparing the chemical history of the reactive element sites in the anodes. The progressive development of the SEI in the first cycle and the variety of compositional transformations prior to stabilization are elucidated. Formation of a reversible alkyl carbonate layer, with maximum thickness of 7 nm, is detected at the SEI topmost region. On the basis of these results, we have obtained a map of suitable spatial resolution of the evolution of the different components of the interface layer.

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“…Decreases in battery performance over time are commonly attributed to changes at the electrode/electrolyte interphase facilitated by decomposition of the electrolyte at the high reduction potentials necessary to operate the anode in a Li-ion battery. − Although during initial cycling of the battery these crucial processes form a protective SEI layer, if electrolyte degradation continues over time, the SEI can grow and change in morphology and composition, leading to capacity fading and safety hazards. − Because the electrochemical decomposition of the electrolyte can be mimicked by high-energy electron transfer reactions, solvated electrons generated by LP-TEM are ideal for characterizing SEI formation as a consequences of electrolyte reduction. Observing the kinetics of these processes at the nanometer scale will be of particular significance when characterizing the performance of next-generation electrolytes for batteries based on Li and other alternative metals. , …”

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confidence: 99%

New Strategies for Probing Energy Systems with In Situ Liquid-Phase Transmission Electron Microscopy

Rehn

Jones

2018

ACS Energy Lett.

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Liquid-phase transmission electron microscopy (LP-TEM) is a powerful characterization tool for probing the dynamics of nanometer-scale systems in a solvated environment. When the energetic electron beam (80–300 kV) interacts with the solvent, radiolysis occurs, generating highly reactive species that interact with the sample. While these species are often considered harmful and great efforts are taken to mitigate their influence, many of these radiolytic products, such as hydroxyl radicals and solvated electrons, are crucially relevant to several areas of energy research. In this Perspective, we propose a paradigm shift wherein solvent-derived, reactive radiolytic species generated by the electron beam are viewed as a tool for rational chemical perturbation of a material system rather than as a source of error to minimize. With an increased understanding of and control over the chemical kinetics governing the distribution of radiolytic species, LP-TEM is poised to allow for direct imaging of chemically driven, nanometer-scale dynamics, resulting in new insights into a range of energy-related materials.

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Characterization of Nanostructure Tin Alloys as Anodes in Lithium-Ion Batteries

Cited by 39 publications

References 3 publications

Electrodeposition of nanostructured coatings and their characterization—A review

Electrodeposition of nanostructured coatings and their characterization—A review

SEI Dynamics in Metal Oxide Conversion Electrodes of Li-Ion Batteries

New Strategies for Probing Energy Systems with In Situ Liquid-Phase Transmission Electron Microscopy

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